CN102233925A - Folding handlebar of folding bicycle - Google Patents
Folding handlebar of folding bicycle Download PDFInfo
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- CN102233925A CN102233925A CN201010170744XA CN201010170744A CN102233925A CN 102233925 A CN102233925 A CN 102233925A CN 201010170744X A CN201010170744X A CN 201010170744XA CN 201010170744 A CN201010170744 A CN 201010170744A CN 102233925 A CN102233925 A CN 102233925A
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- handle
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- ratchet
- drag
- supporting
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Abstract
The invention relates to a structure technology of a folding handlebar of a folding bicycle. The folding handlebar consists of a handlebar vertical pipe, a handle bracket, left and right handles, left and right pawls, a pawl return spring, a handle return spring and a pull rope, wherein the handle bracket is fixed on the upper part of the handlebar vertical pipe; the left and right handles are hinged to the handle bracket respectively; when the left and right handles are arranged at dead point positions above the handle bracket, handle grips are symmetrically distributed on the two sides of the handlebar vertical pipe, and the handles are meshed with the pawls at the moment, are fixed relative to the handle bracket and are in an unfolded state; one end of the pull rope is fixed on the handles; one end of a pull rope sleeve is limited on the pawls; and the pull rope sleeve controls the opening and closing of the meshed pawls through reacting force of the pull rope, the handles are folded by pulling the pull rope, the handle return spring drives the handles to act in the reverse direction, and the handles are automatically folded through complementation of the pull rope and the handle return spring in the driving direction; meanwhile, the flexible transmission characteristic of the pull rope is utilized.
Description
Technical field
The present invention relates to a kind of vehicle, especially a kind of Foldable handlebar structure technology of Folding Bicycle.
Background technology
Bicycle is as a kind of free of contamination vehicle, advocate the epoch green, the low-carbon (LC) life current, progressively be familiar with by people and pay attention to, but its bigger volume has restricted its use face again, be main vehicle person and to have the stolen experiencer of bicycle to know from experience especially quite dark particularly with mass transit system, though there are various folding bicycles to sell on the market, the volume after folding is still bigger, and folding operation is yet not too convenient.
Summary of the invention
It is still big, folding inconvenient to the present invention is directed to existing folding bicycle volume after folding, particularly handle folding inconvenient and provide that a kind of folding ratio is higher, folding operation Foldable handlebar more easily.
The present invention is mainly by handle riser, handle supporting, left and right sides handle, constitute with handle cooresponding left and right sides ratchet and pawl restoring spring; Handle supporting is fixed in the top of handle riser, handle supporting is provided with and the corresponding articulated mounting of left and right sides handle, this two articulated mounting is that front and back vertically are dislocatedly distributed with reference to the bicycle working direction, also is provided with simultaneously and the corresponding articulated mounting of ratchet, and handle riser is fixed in the vertical tube of front fork; Left and right sides grip structure is identical, one end of handle is a lever, the other end is provided with and the corresponding articulated mounting of handle supporting, also be provided with and ratchet ingear related device, two handles are hinged on the handle supporting respectively, be provided with the stop inhibiting device that makes left and right sides handle be positioned at handle supporting top and the symmetrical distribution of two lever relative proper motion vehicle body covers between handle supporting and left and right sides handle, described vehicle body cover was consistent with working direction and vertical with the horizontal surface face of the vertical center of symmetry of vehicle body; Left and right sides ratchet is hinged with handle supporting respectively, an end and the engagement of handle corresponding site; One end of pawl restoring spring is limited in ratchet, and the other end is limited in handle supporting; Left and right sides handle is a folded state when being positioned at the handle supporting below, about when the winding by hand jointed shaft forwarded to handle supporting top dead center position, two lever left-right symmetric distribute, and are deployed condition, related device on the handle and ratchet engagement at this moment, handle is fixed with respect to handle supporting; The connotation that described two lever left-right symmetric distribute is the two levers both sides that are symmetrically distributed in vehicle body cover on same horizontal surface, meets the daily state of custom by bike.
A kind of alternative plan is a ratchet and pawl restoring spring to be set substitute above-mentioned left and right sides ratchet and pawl restoring spring between the handle of the left and right sides, and this ratchet one end is with the leader is hinged, the other end and another handle corresponding site mesh; One end of pawl restoring spring is limited in ratchet, the other end is limited in and ratchet pivotally attached handle.
Above-mentioned two kinds of Foldable handlebars be can be comparatively easily manually folding Foldable handlebar, as a kind of innovative approach of Foldable handlebar that can auto-folder, be that an end that is provided with articulated mounting at left and right sides handle respectively is provided with cable fixing mechanism and drag-line guiding mechanism; One end is set is limited in the handle retracing spring that handle, the other end are limited in handle supporting, make handle have the trend that rotates up around jointed shaft; One end is set is fixed on drag-line on the handle, drag-line is drawn by drag-line guiding mechanism and drag-line cover; One end of drag-line cover is limited in an end, the other end of ratchet and fixes according to the needs of traction cable; Can realize the jackknife action of handle by traction cable, the drag-line cover is by the antagonistic force control ratchet ingear switching motion of drag-line; The direction that the handle retracing spring drives the handle rotation is opposite with the direction of drag-line traction, and the direction that drag-line and handle retracing spring drive handle can be provided with as required; Drag-line described here is to be tangled by the multiply finer wire to form, and described drag-line cover is and the matching used flexible sleeve of drag-line that its characteristic is that length is constant under certain load; Here adopt drag-line to control the characteristic that the handlebar auto-folder utilizes the flexible transmission of drag-line just, be implemented in auto-folder under the condition that does not influence the handlebar rotating effect.
Compared with prior art, the application's beneficial effect is a folding convenient, and can realize auto-folder, the effect that the stacked folding mode of dislocation brings before and after the handle is, at least can reduce the size of the Width of 65%-88%, handle folds into the handle supporting bottom by handle supporting top, with the overlapping effect of bringing of vehicle body voluntarily be to reduce the size of 90% handle oneself height direction at least.
Description of drawings
Fig. 1 is Foldable handlebar embodiment 1 a structural representation front view.
Fig. 2 is Foldable handlebar embodiment 1 a structural representation birds-eye view.
Fig. 3 is Foldable handlebar embodiment 1 local amplification, cutaway view.
Fig. 4 is the handle supporting birds-eye view.
Fig. 5 is that the A-A of handle supporting birds-eye view is to cutaway view.
Fig. 6 is the handle supporting left view.
Fig. 7 is Foldable handlebar embodiment 2 structural representation front views.
Fig. 8 is Foldable handlebar embodiment 2 structural representation birds-eye vieies.
Fig. 9 is Foldable handlebar embodiment 2 local amplifications, cutaway view.
Figure 10 is Foldable handlebar embodiment 3 structural representation front views.
Figure 11 is Foldable handlebar embodiment 3 structural representation birds-eye vieies.
Figure 12 is Foldable handlebar embodiment 3 local amplifications, cutaway view.
Figure 13 is the structural representation front view of a kind of improvement project of Foldable handlebar embodiment 1.
Figure 14 is the structural representation birds-eye view of a kind of improvement project of Foldable handlebar embodiment 1.
Figure 15 is the structural representation left view of a kind of improvement project of Foldable handlebar embodiment 1.
Figure 16 is that amplify the part of a kind of improvement project of Foldable handlebar embodiment 1, cutaway view.
Figure 17 is the shaft side figure of a kind of improvement project of Foldable handlebar embodiment 1.
Figure 18 is hinged example 2 front views of handle supporting and handle.
Figure 19 is hinged example 2 birds-eye vieies of handle supporting and handle.
Figure 20 is hinged example 3 front views of handle supporting and handle.
Figure 21 is hinged example 3 birds-eye vieies of handle supporting and handle.
Figure 22 is the structural representation shaft side figure of a kind of improvement project in the deployed condition bicycle of Foldable handlebar embodiment 1.
Figure 23 is the structural representation shaft side figure of a kind of improvement project in the folded state bicycle of Foldable handlebar embodiment 1.
The representative respectively of numbering shown in the figure: 1. lever, 2. handle, 3. articulated mounting, 4. ratchet, 5. handle jointed shaft, 6. handle supporting, 7. pawl restoring spring, 8. handle riser, 9. cable fixing mechanism, 10. drag-line guiding mechanism, 11. drag-line covers, 12. drag-lines, 13. handle retracing springs, 16. stop inhibiting device.
The specific embodiment
The present invention is mainly by handle riser 8, handle supporting 6, left and right sides handle 2, constitute with the cooresponding left and right sides of handle ratchet 4 and pawl restoring spring 7; Handle supporting 6 is fixed in the top of handle riser 8, handle riser 8 is fixed in the vertical tube of front fork, handle supporting 6 is provided with and left and right sides handle 2 corresponding articulated mountings, and this two articulated mounting is that front and back vertically are dislocatedly distributed with reference to the bicycle working direction, also is provided with simultaneously and ratchet 4 corresponding articulated mountings; Handle 2 structures in the left and right sides are identical, one end of handle is a lever 1, the other end is provided with and the corresponding articulated mounting 3 of handle supporting, also be provided with and ratchet 4 ingear related devices, left and right sides handle 2 is hinged on respectively on the handle supporting 6, is provided with the stop inhibiting device 16 that makes left and right sides handle 2 be positioned at handle supporting 6 tops and the symmetrical distribution of two levers, 1 relative proper motion vehicle body cover between handle supporting 6 and left and right sides handle 2; Left and right sides ratchet 4 is hinged with handle supporting 6 respectively, an end and the engagement of handle 2 corresponding sites; One end of pawl restoring spring 7 is limited in ratchet 4, and the other end is limited in handle supporting 6; Left and right sides handle 2 is a folded state when being positioned at the handle supporting below, when left and right sides handle 2 forwards handle supporting 6 top dead center positions to around jointed shaft 5, two levers, 1 relative proper motion vehicle body left-right symmetric distributes, be deployed condition, related device on the handle 2 and ratchet 4 engagements at this moment, handle 2 is fixing with respect to handle supporting 6; Folding process rotates left and right sides handle 2 again and arrives handle supporting 6 with upper/lower positions for untiing the engagement of ratchet 4 earlier.
Handle supporting 6 among Fig. 1-embodiment illustrated in fig. 31 and Fig. 7-embodiment illustrated in fig. 92 and ratchet 4 and pawl restoring spring 7 structures are identical, two of the articulated mounting of handle supporting 6 hinged axis parallels wherein, front and back vertically misplace and are symmetrically distributed in the both sides of vehicle body cover voluntarily; Embodiment 1 distinguishes to some extent with the left and right sides handle 2 among the embodiment 2, the same side that the lever 1 of handle 2 and stop inhibiting device 16 are in jointed shaft 5 among the embodiment 1, benefit is that the bearing safety of lever 1 is good, bearing safety is not subjected to the influence of ratchet 4 self intensity and engagement, lever 1 inside bending, there is angle in the hinged plane of revolution of lever axial line and handle, and the angle between two levers that the size of this angle and the articulated mounting of handle supporting are vertically set under the distance of dislocation and the deployed condition is relevant; The both sides that the lever 1 of handle and stop inhibiting device 16 are distributed in jointed shaft 5 among the embodiment 2, its bearing safety is subjected to the influence of ratchet 4 self intensity and engagement, lever 1 outside bending, benefit is the custom by bike that more meets people, and there are angle in same lever axial line and the hinged plane of revolution of handle.
A kind of alternative plan is that a ratchet 4 is set between left and right sides handle 2
*With pawl restoring spring 7
*Substitute above-mentioned left and right sides ratchet 4 and pawl restoring spring 7, this ratchet 4
*One end and leader are 2 hinged, the other end and the engagement of another handle 2 corresponding sites; Pawl restoring spring 7
*An end be limited in ratchet 4
*, the other end is limited in and ratchet 4
*Pivotally attached handle 2; Figure 10-embodiment 3 shown in Figure 12 is a kind of alternative plans, vertically misplaces before and after the articulated mounting of its handle supporting 6 and is symmetrically distributed in the both sides of vehicle body cover voluntarily, and two hinged axial lines are parallel in horizontal surface, symmetry tilts in vehicle body cover voluntarily; The lever 1 and the stop inhibiting device 16 of left and right sides handle 2 is distributed in the both sides of jointed shaft 5, lever 1 outside bending, and lever 1 axial line is parallel with the hinged plane of revolution of handle; When same left and right sides handle 2 forwarded handle supporting 6 top dead center positions to around jointed shaft 5, two levers, 1 relative proper motion vehicle body left-right symmetric distributed, and is deployed condition, and folding process is for untiing ratchet 4 earlier
*Engagement, rotate again left and right sides handle 2 to handle supporting 6 with upper/lower positions.
Two hinged axial lines of above-mentioned handle supporting 6 are not limited to described parallel or symmetrical inclination, can adjust as required, as for avoiding brake lever to interfere, can do some adjustment.
Figure 13-shown in Figure 17 is a kind of improvement project of embodiment 1, is that an end that is provided with articulated mounting 3 at left and right sides handle 2 respectively is provided with cable fixing mechanism 9 and drag-line guiding mechanism 10; One end is set is limited in the handle retracing spring 13 that handle 2, the other end are limited in handle supporting 6, make handle 2 have the trend that rotates up around jointed shaft 5; One end is set is fixed on drag-line 12 on the handle 2, drag-line 12 is drawn by drag-line guiding mechanism 10 and drag-line cover 11; One end of drag-line cover 11 is limited in an end, the other end of ratchet 4 and fixes according to the needs of traction cable; Can realize the jackknife action of handle 2 by traction cable 12, drag-line cover 11 is by the antagonistic force control ratchet 4 ingear switching motions of drag-line 12, the direction that handle retracing spring 13 drives the handle rotation is opposite with the direction of drag-line 12 tractions, and the direction that drag-line 12 and handle retracing spring 13 drive handle can be provided with as required.
Here the articulated position of the ratchet that limits 4 and drag-line cover fixed position only is a kind of description at embodiment, is not limited to described and graphic articulated position and drag-line cover fixed position.As long as change ratchet and handle ingear direction, just can change articulated position and drag-line cover fixed position.
Drag-line guiding mechanism 10 described here, it is the mechanism of instigating the deviation in driction jointed shaft 5 of the power that 12 pairs of handles 2 of drag-line apply, drag-line applies moment by this mechanism to handle 2, make handle 2 around jointed shaft 5 rotary foldings, this mechanism can be the disc mechanism with the concentric band drag-line guide groove of jointed shaft 5, also can being configured to by one or more band drag-line guide grooves.
Utilize the flexible drive characteristic of drag-line, realize the purpose of handlebar auto-folder, can also be extended to and use rack-and-gear engagement, chain, connecting rod to realize the handlebar auto-folder respectively, but use cost and effect are good not as good as drag-line, so no longer give an example.
Figure 18-Figure 21 is handle supporting and handle pivotally attached two kind articulated manner different with embodiment, it is hinged hinged with the cantilever movable axis to be respectively two fulcrum movable axis, also have articulated manner such as the cantilever anchor shaft is hinged can realize the hinged of handle supporting and handle, no longer give an example here.
Figure 22-Figure 23 is the result of use figure of a kind of improvement project in the Folding Bicycle car load of embodiment 1, and in the deployed condition design sketch of Figure 22, this programme has kept the leading dimensions form of ordinary bicycle, can satisfy people's custom by bike; In the folded state design sketch of Figure 23, the vehicle body applying is tight under folded state with voluntarily for this programme, has reached and has improved the purpose of folding ratio and can realize auto-folder.1
Claims (3)
1. the Foldable handlebar of a Folding Bicycle is mainly by handle riser, handle supporting, left and right sides handle, constitute with handle cooresponding left and right sides ratchet and pawl restoring spring; It is characterized in that handle supporting is fixed in the top of handle riser, handle supporting is provided with and the corresponding articulated mounting of left and right sides handle, and this two articulated mounting vertically is dislocatedly distributed, and handle supporting is provided with and the corresponding articulated mounting of ratchet; Left and right sides grip structure is identical, one end is provided with lever, the other end is provided with and the corresponding articulated mounting of handle supporting, left and right sides handle is provided with and ratchet ingear related device, about two handles be hinged on respectively on the handle supporting, between handle supporting and left and right sides handle, be provided with and make left and right sides handle be positioned at the stop inhibiting device that handle supporting top and the relative vehicle body cover of two levers are symmetrically distributed; Left and right sides ratchet is hinged with handle supporting respectively, and an end meshes with left and right sides handle corresponding site respectively; One end of pawl restoring spring is limited in ratchet, and the other end is limited in handle supporting.
2. according to the Foldable handlebar of the described Folding Bicycle of claim 1, it is characterized in that described left and right sides ratchet meshes with left and right sides handle respectively, change into a ratchet and pawl restoring spring are set between the handle of the left and right sides, this ratchet one end and the leader is hinged, the engagement of the other end and another handle corresponding site; One end of pawl restoring spring is limited in ratchet, the other end is limited in and ratchet pivotally attached handle.
3. according to the Foldable handlebar of the described Folding Bicycle of claim 1, it is characterized in that described left and right sides handle is provided with cable fixing mechanism and drag-line guiding mechanism at an end that is provided with articulated mounting; One end is set is limited in the handle retracing spring that handle, the other end are limited in handle supporting, make handle have the trend that rotates up around jointed shaft; One end is set is fixed on drag-line on the handle, drag-line is drawn by drag-line guiding mechanism and drag-line cover, and an end of drag-line cover is limited in an end of ratchet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010170744.XA CN102233925B (en) | 2010-04-27 | 2010-04-27 | Folding handlebar of folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010170744.XA CN102233925B (en) | 2010-04-27 | 2010-04-27 | Folding handlebar of folding bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102233925A true CN102233925A (en) | 2011-11-09 |
| CN102233925B CN102233925B (en) | 2014-02-05 |
Family
ID=44885144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010170744.XA Expired - Fee Related CN102233925B (en) | 2010-04-27 | 2010-04-27 | Folding handlebar of folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102233925B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5149119A (en) * | 1991-10-28 | 1992-09-22 | Hwang Tsong Ching | Shock-absorbing folding bicycle |
| JP2006213081A (en) * | 2005-02-01 | 2006-08-17 | Jd Japan Kk | Collapsible/continuously connecting mechanism of handle bar |
| CN2905625Y (en) * | 2006-02-27 | 2007-05-30 | 戚善鸣 | Portable folding bicycle |
| CN201179933Y (en) * | 2008-01-02 | 2009-01-14 | 李勤 | Quick foldable handlebar |
| CN201712733U (en) * | 2010-04-27 | 2011-01-19 | 戚善鸣 | Folding handle of folding bicycle |
-
2010
- 2010-04-27 CN CN201010170744.XA patent/CN102233925B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5149119A (en) * | 1991-10-28 | 1992-09-22 | Hwang Tsong Ching | Shock-absorbing folding bicycle |
| JP2006213081A (en) * | 2005-02-01 | 2006-08-17 | Jd Japan Kk | Collapsible/continuously connecting mechanism of handle bar |
| CN2905625Y (en) * | 2006-02-27 | 2007-05-30 | 戚善鸣 | Portable folding bicycle |
| CN201179933Y (en) * | 2008-01-02 | 2009-01-14 | 李勤 | Quick foldable handlebar |
| CN201712733U (en) * | 2010-04-27 | 2011-01-19 | 戚善鸣 | Folding handle of folding bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102233925B (en) | 2014-02-05 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice |
Addressee: Qi Shanming Document name: Notification to Go Through Formalities of Registration |
|
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 225000 Gaoyou city of Jiangsu Province Yu Wen Road 76-305 room Applicant after: Qi Shanming Address before: 107 room 6, building 51, 225000 West Canal Road, Yangzhou, Jiangsu Applicant before: Qi Shanming |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20190427 |